package com.company;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * @author Administrator
 */
public class HJ24合唱队 {

    public static void main(String[] args) throws IOException {

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String string = null;

        while((string = reader.readLine()) != null){
           
        }
    }
}
